Hi. I've compiled a Persian language beamer file by both luapersian and persianbabel package using LuaLaTex, and in both I've the same problem in pdf bookmark as shown in the figure (some strange characters are shown instead of correct characters).

@Heiko Oberdiek: check this I posted yesterday, please: even if it looks like I can do without, I keep getting errors by assigning option unicode to package hyperref with several different syntaxes...
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MattAllegroApr 15 '14 at 10:01

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@MattAllegro: It's unrelated to option unicode. $ is a ASCII character with a special catcode that is not supported in bookmarks. With \texorpdfstring a different bookmark text can be supplied for stuff that is not supported there.
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Heiko OberdiekApr 15 '14 at 12:29